47422477 has 2 divisors, whose sum is σ = 47422478. Its totient is φ = 47422476.

The previous prime is 47422471. The next prime is 47422513. The reversal of 47422477 is 77422474.

It is a happy number.

47422477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 19236996 = 5309^2 + 4386^2 .

It is a cyclic number.

It is not a de Polignac number, because 47422477 - 2¹⁵ = 47389709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47422471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23711238 + 23711239.

It is an arithmetic number, because the mean of its divisors is an integer number (23711239).

Almost surely, 2^47422477 is an apocalyptic number.

It is an amenable number.

47422477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47422477 is an equidigital number, since it uses as much as digits as its factorization.

47422477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87808, while the sum is 37.

The square root of 47422477 is about 6886.3979699114. The cubic root of 47422477 is about 361.9606934113.

The spelling of 47422477 in words is "forty-seven million, four hundred twenty-two thousand, four hundred seventy-seven".